SpaceThe solar system has too many moons – it's time for a cull Designating rocks just a few kilometres across as moons is misleading and ridiculous. We need to do a Pluto and cut moons down to size, argues Leah CraneComment
SpaceWe've had our best glimpse of a web of matter that spans the universe A vast spider web of matter is thought to stretch across the universe. Now astronomers have seen its filaments between several galaxies for the first time 51¶¯Âþ